Skip to content
mcp/harbor
VS Code

Roslyn CodeLens for VS Code

io.github.marcelroozekrans/roslyn-codelens

Roslyn MCP server: semantic .NET/C# intelligence - analysis, refactoring, tests, IL inspection.

client:VS Code transport:stdio runtime:npm

Install Roslyn CodeLens in VS Code

.vscode/mcp.json 

{
  "servers": {
    "roslyn-codelens": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "roslyn-codelens-mcp"
      ]
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs

Roslyn CodeLens in other clients

Roslyn CodeLens MCP server